CSChristian Stingl@c_stinglAustriaFollowBadgesProblem SolvingSqlVerified SkillsCertificate: Problem Solving (Basic)VerifiedCertificate: Problem Solving (Intermediate)VerifiedCertificate: Problem Solving (Advanced)VerifiedWork Experiencec_stingl has not updated employment details yet.Educationc_stingl has not updated education details yet.